National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

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Last Map Update: Sun, Aug 23, 2026 at 8:20:52 am EDT

A slight chance of showers and thunderstorms continues today and tonight, accompanied by highs near 90, overnight lows in the lower to mid 80s, and light southeast to south winds today. For tonight, east to southeast winds near 5 mph, increasing to 5 to 10 mph. Heat index values today will peak in the 105-108°F range, and the SE wind pattern could aid in cloud line and waterspout formation. Please send us your reports if you see one!
Tropical Weather Outlook issued at 2 AM Sunday, August 23rd, 2026. Key takeaway: Eastern Tropical Atlantic area has been further upgraded to a medium chance (50%) of formation through the next 7 days. A tropical wave is expected to move off the west coast of Africa on Monday, and an area of low pressure could form in association with the wave early this week. Environmental conditions are forecast to be marginally conducive for development, and a tropical depression could form in the middle to latter portions of the week while the system moves generally westward at 15 to 20 mph across the eastern and central tropical Atlantic. Formation chance through the next 7 days is now medium, 50%.
Today... Partly cloudy with a slight chance of showers and thunderstorms. Highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
TODAY... Light to gentle breezes, generally from the E-SE (gentle SE-S for Florida Bay). Seas: Bay/Gulfside ≤1 ft; Hawk Channel ~1 ft; FL Straits 1-2 ft; SE Gulf ≤1 ft. Bay waters smooth to a light chop. Nearshore waters smooth. Slight chance of showers and thunderstorms.
TODAY... Light to gentle breezes, generally from the E-SE (gentle SE-S for Florida Bay). Seas: Bay/Gulfside ≤1 ft; Hawk Channel ~1 ft; FL Straits 1-2 ft; SE Gulf ≤1 ft. Bay waters smooth to a light chop. Nearshore waters smooth. Slight chance of showers and thunderstorms.

 


 

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